As he prepares to direct Saturday’s live Netflix event “ BTS The Comeback Live: Arirang,” Done+Dusted partner and director/exec producer Hamish Hamilton is coming off what they’re internally calling the “quadruple crown.” In just the past few weeks, Hamilton directed the Grammys, the Super Bowl halftime show, the Oscars and now this. “This,” of course, is an hour-long event set to take place Saturday evening local time marking the return of pop superstars BTS as they embark on a global tour to